STRI - syst
- SUBSAM
- subscale target system
- SUBSELS
- SUBSGM
- subsisted in general mess
- subsistence
- subsistence allowance
- subsisting elsewhere
- subsonic cruise armed decoy
- subsonic cruise armed missile/decoy
- subsonic cruise attack missile
- subsonic cruise unarmed decoy
- substitution approval request
- substitution authorization
- subsystem
- subsystem development requirement
- subsystem for the control of operations and plan evaluation
- subsystem ground test
- subsystem interface unit
- subsystem manager
- subsystem operating procedure
- subsystem readiness test
- subsystem replacement
- subsystem test plan
- subsystems functional verification test
- subsystems integration plan
- subsystems integration program
- subsystems interface unit
- subsystems project manager
- subsystems test
- subsystems test procedure
- SUBTRAFAC
- subv
- subversion
- subversion and espionage directed against US Army (and deliberate security violations)
- Subversive Activities Control Board
- SUCAP
- successful flight
- succession of command
- successive accelerated replacement
